Thanks to the generous donation of the Stimson-Green Mansion by Patsy Bullitt Collins in 2001, the Washington Trust is proud owner and steward of one of the most significant residential landmarks in Seattle. The Stimson-Green Mansion is one of Seattle's premier wedding and special event venues and a great location for photo shoots of all types. Kaspars Special Events & Catering is our Exclusive Caterer at the Mansion. Please visit their website for details and information, and call 206-298-0123 or email to rent the Mansion for your next event! The Washington Trust also offers regular public tours of the Stimson-Green Mansion.

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Historic preservation is one of the best ways to build thriving neighborhoods, foster community pride, and promote economic development. The Washington Trust greatly values the financial and technical support it receives from corporate sponsors.

Thank you to the companies that allow the Trust to offer technical assistance, educational outreach, and public policy advocacy in ways that are accessible, applicable, and beneficial to the residents of Washington State.